llvm/lib/CodeGen/MachineModuleInfoImpls.cpp
Rafael Espindola 1252bb4b17 Clear the stub map in getSortedStubs.
This makes sure they are only output once (and frees a bit of memory).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234313 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-07 12:59:28 +00:00

45 lines
1.5 KiB
C++

//===-- llvm/CodeGen/MachineModuleInfoImpls.cpp ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements object-file format specific implementations of
// MachineModuleInfoImpl.
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/MC/MCSymbol.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
// MachineModuleInfoMachO
//===----------------------------------------------------------------------===//
// Out of line virtual method.
void MachineModuleInfoMachO::anchor() {}
void MachineModuleInfoELF::anchor() {}
static int SortSymbolPair(const void *LHS, const void *RHS) {
typedef std::pair<MCSymbol*, MachineModuleInfoImpl::StubValueTy> PairTy;
const MCSymbol *LHSS = ((const PairTy *)LHS)->first;
const MCSymbol *RHSS = ((const PairTy *)RHS)->first;
return LHSS->getName().compare(RHSS->getName());
}
MachineModuleInfoImpl::SymbolListTy MachineModuleInfoImpl::getSortedStubs(
DenseMap<MCSymbol *, MachineModuleInfoImpl::StubValueTy> &Map) {
MachineModuleInfoImpl::SymbolListTy List(Map.begin(), Map.end());
if (!List.empty())
qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair);
Map.clear();
return List;
}